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DCA Software 2.1.0.0 - XFS Stack Overrun Issue

Environment

  • DCA V2
  • DCA Software Version 2.1.0.0

 

Symptom

  • Server Panic
  • Server Reboot

 

Example from a case which indicated it was not a software error when in fact it was this xfs kernel problem:

[root@sdw64 ~]# cat /var/log/mcelog
mcelog: failed to prefill DIMM database from DMI data
Hardware event. This is not a software error.
MCE 0
CPU 0 BANK 16
MISC 4937e028086 ADDR 7219c3440
TIME 1422962445 Tue Feb  3 11:20:45 2015
MCG status:
MCi status:
Corrected error
MCi_MISC register valid
MCi_ADDR register valid
Threshold based error status: green
MCA: Generic CACHE Level-2 Eviction Error
STATUS 8c2000400007017a MCGSTATUS 0
MCGCAP 1000c14 APICID 0 SOCKETID 0
CPUID Vendor Intel Family 6 Model 45

 

Cause

XFS stack overrun associated with the kernel installed with DCA software version 2.1.0.0

Redhat Article for Reference

 

Fix

Upgrade the DCA to 2.1.1.0 or higher which provides a newer kernel that fixes the problem.

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